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T-bone steak

American  
[tee-bohn steyk] / ˈtiˌboʊn ˌsteɪk /

noun

  1. a choice piece of beef with a conspicuous T -shaped bone, cut from the short loin and similar to a porterhouse but with a smaller portion of tenderloin.


T-bone steak British  

noun

  1. a large choice steak cut from the sirloin of beef, containing a T-shaped bone

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of T-bone steak

First recorded in 1920–25